塑胶模具，一种用于压塑、挤塑、注射、吹塑和低发泡成型的组合式塑料模具的简称。
Plastic mold, a kind of composite plastic mold used for pressing, extrusion, injection, blow molding and low foaming molding.
主要包括由凹模组合基板、凹模组件和凹模组合
It mainly includes the combination of the base plate, die assembly and die combination by the die
卡板组成的具有可变型腔的凹模，由凸模组合基板、凸模组件、凸模组合卡板、型腔截断组件和侧截组合板组成的具有可变型芯的凸模。模具凸、凹模及辅助成型系统的协调变化。可加工不同形状、不同尺寸的系列塑件。盖土网 防寒布 麻绳 油麻绳 麻刀 沥青麻绳 静压造型线 自动浇注机 铸铁拍门 钢制拍门 玻璃钢拍门
The concave die with variable cavity composed of card board is composed of a convex die combination base plate, a convex die assembly, a convex die combined card plate, a cavity cutting component and a side section combination plate, which has a variable core. The coordinated changes of die convex, concave and auxiliary forming system. It can process series plastic parts of different shapes and sizes.
为了改进塑料的性能，还要在聚合物中添加各种辅助材料，如填料、增塑剂、润滑剂、稳定剂、着色剂等，才能成为性能良好的塑料。
In order to improve the performance of plastics, we should add various auxiliary materials such as fillers, plasticizers, lubricants, stabilizers, colorants, etc. to the polymer, so as to become a good performance plastic.
1、合成树脂是塑料的最主要成分，其在塑料中的含量一般在40%～100%。由于含量大，而且树脂的性质常常决定了塑料的性质，所以人们常把树脂看成是塑料的同义词。例如把聚氯乙烯树脂与聚氯乙烯塑料、酚醛树脂与酚醛塑料混为一谈。其实树脂与塑料是两个不同的概念。
1. Synthetic resin is the main component of plastics, and its content in plastic is generally 40% - 100%. Because of the large content and the nature of resin often determines the properties of plastics, people often regard resin as a synonym for plastics. For example, the PVC resin is mixed with PVC plastic, phenolic resin and phenolic plastic. In fact, resin and plastic are two different concepts.
树脂是一种未加工的原始聚合物，它不仅用于制造塑料，而且还是涂料、胶粘剂以及合成纤维的原料。而塑料除了极少一部分含100%的树脂外，绝大多数的塑料，除了主要组分树脂外，还需要加入其他物质。
Resin is an raw raw polymer which is not only used for plastics, but also raw materials for coatings, adhesives and synthetic fibers. In addition to a small part of plastics containing 100% resin, most plastics, in addition to the main component resin, need to add other substances.
2、填料填料又叫填充剂，它可以提高塑料的强度和耐热性能，并降低成本。例如酚醛树脂中加入木粉后可大大降低成本，使酚醛塑料成为最廉价的塑料之一，同时还能显著提高机械强度。填料可分为有机填料和无机填料两类，前者如木粉、碎布、纸张和各种织物纤维等，后者如玻璃纤维、硅藻土、石棉、炭黑等。
2. Filler filler is also called filler, which can improve the strength and heat resistance of plastics and reduce the cost. For example, the cost of wood powder can be greatly reduced by adding wood powder in phenolic resin, which makes phenolic plastics one of the cheapest plastics, and can also significantly improve the mechanical strength. The packing can be divided into two types: Organic packing and inorganic filler, the former is wood powder, rag, paper and various fabric fibers, the latter is glass fiber, diatomite, asbestos, carbon black, etc.
3、增塑剂增塑剂可增加塑料的可塑性和柔软性，降低脆性，使塑料易于加工成型。增塑剂一般是能与树脂混溶，无毒、无臭，对光、热稳定的高沸点有机化合物，最常用的是邻苯二甲酸酯类。例如生产聚氯乙烯塑料时，若加入较多的增塑剂便可得到软质聚氯乙烯塑料，若不加或少加增塑剂(用量<10%)，则得硬质聚氯乙烯塑料。
3. Plasticizer plasticizer can increase plasticity and softness of plastics, reduce brittleness and make plastics easy to process and form. Plasticizers are generally high boiling point organic compounds which can be mixed with resin, non-toxic and odorless, and are light and heat stable. The most commonly used is phthalates. For example, when producing PVC plastics, if more plasticizers are added, soft PVC plastics can be obtained. If no plasticizer is added or less added (dosage is less than 10%), rigid PVC plastics will be obtained.
4、稳定剂为了防止合成树脂在加工和使用过程中受光和热的作用分解和破坏，延长使用寿命，要在塑料中加入稳定剂。常用的有硬脂酸盐、环氧树脂等。
4. In order to prevent the decomposition and destruction of synthetic resin under the action of light and heat during processing and use, and to prolong the service life, stabilizer should be added to the plastic. Commonly used are stearate, epoxy resin, etc.
5、着色剂着色剂可使塑料具有各种鲜艳、美观的颜色。常用有机染料和无机颜料作为着色剂。
5. Colorant colorant can make plastic have various bright and beautiful colors. Organic dyes and inorganic pigments are commonly used as colorants.
6、润滑剂润滑剂的作用是防止塑料在成型时不粘在金属模具上，同时可使塑料的表面光滑美观。常用的润滑剂有硬脂酸及其钙镁盐等。除了上述助剂外，塑料中还可加入阻燃剂、发泡剂、抗静电剂等。
6. Lubricant lubricant is used to prevent plastic from sticking to metal mold during forming, and at the same time, it can make the surface of plastic smooth and beautiful. The common lubricants include stearic acid and calcium magnesium salt. In addition to the above additives, the plastics can also be added with flame retardant, foaming agent, antistatic agent, etc.